Attachment device



FIG. 1 is a perspective view of our attachment device.

FIG. 2 is a front elevation view of the attachment device of FIG. 1; therear elevation view of the attachment device of FIG. 1 is a mirror imageof FIG. 2.

FIG. 3 is a first side elevation view of the attachment device of FIG.1.

FIG. 4 is a second side elevation view of the attachment device of FIG.1.

FIG. 5 is a top elevation view of the attachment device of FIG. 1; and,

FIG. 6 is a bottom elevation view of the attachment device of FIG. 1;the adapter portion, which is shown in broken lines in FIG. 1-4, is notshown in FIG. 6.

The broken lines are included for the purpose of illustratingenvironment of use and portions of the structure that form no part ofthe claimed design.

The ornamental design for an attachment device, as shown and described.